PIC16F87X_02 Datasheet, PDF (2/22 Pages) Microchip Technology – EEPROM Memory Programming Specification

PIC16F87X
PIN DESCRIPTIONS (DURING PROGRAMMING): PIC16F87X
Pin Name
Function
During Programming
Pin Type
Pin Description
RB3
PGM
I
Low voltage ICSP programming input if LVP
configuration bit equals 1
RB6
CLOCK
I
Clock input
RB7
DATA
I/O
Data input/output
MCLR
VTEST MODE
P*
Program Mode Select
VDD
VDD
P
Power Supply
VSS
VSS
P
Ground
Legend: I = Input, O = Output, P = Power
* In the PIC16F87X, the programming high voltage is internally generated. To activate the Programming mode, high
voltage needs to be applied to the MCLR input. Since the MCLR is used for a level source, this means that MCLR
does not draw any significant current.
DS39025F-page 2
 2002 Microchip Technology Inc.